Cisco Bug: CSCsz21181 - High CPU when 4948 reload with a lot of VLAN configured as SPAN source
Jan 28, 2017
- Cisco Catalyst 4000 Series Switches
Known Affected Releases
Symptom: High CPU when 4948 reloads. The high CPU causes link up delay. The Link partner detects the link to be up , while the link on 4948 is still down . This results in partner start forwarding traffic and since the 4948 is down , it drops the traffic Conditions: Large number of VLAN is configured. Large number of VLAN is configured as the SPAN source.
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Bug Details Include
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